diff --git a/OpenSim/Framework/IClientFileTransfer.cs b/OpenSim/Framework/IClientFileTransfer.cs
new file mode 100644
index 0000000000..8cdf795521
--- /dev/null
+++ b/OpenSim/Framework/IClientFileTransfer.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace OpenSim.Framework
+{
+    public delegate void UploadComplete(string filename, byte[] fileData, IClientAPI remoteClient);
+    public delegate void UploadAborted(string filename, ulong id, IClientAPI remoteClient);
+
+    public interface IClientFileTransfer
+    {
+        bool RequestUpload(string clientFileName, UploadComplete uploadCompleteCallback, UploadAborted abortCallback);
+    }
+}
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLFileTransfer.cs b/OpenSim/Region/ClientStack/LindenUDP/LLFileTransfer.cs
index 27ebfdd79a..b2e7bc491a 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLFileTransfer.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLFileTransfer.cs
@@ -13,10 +13,7 @@ using OpenSim.Region.Environment.Scenes;
 
 namespace OpenSim.Region.ClientStack.LindenUDP
 {
-    public delegate void UploadComplete(string filename, byte[] fileData, IClientAPI remoteClient);
-    public delegate void UploadAborted(string filename, ulong id, IClientAPI remoteClient);
-
-    public class LLFileTransfer
+    public class LLFileTransfer : IClientFileTransfer
     {
         protected IClientAPI m_clientAPI;